【What you Get】The thumb screw knob contains 20Pcs M4 x 15mm knurled thumbscrews. The common size and abundant quantities can satisfy your lathe replacement needs.
【High Quality Production】: Threaded Knurled Finger Screw has neat and even threads, no burrs, tighter installation, round head feel comfortable, and gear-like stripes around it to increase friction and facilitate screw removal and installation.
【Sturdy and Durable】the male thread knurled clamping knobs are made of quality carbon steel, with good hardness, strength, corrosion resistance and wear resistance; It is a fastening accessory that can be applied for a long time and could be reusable for most different purposes
【 Easy to install】The thread is deep and sharp, uniform force for locking firmly, not easy to slip. the grip knob thumb screw adopts a screw-in design, which is easy to install; The surface is smooth and clean, making you feel more comfortable to hold and store
【Wide Application】Widely used in metal working, fix microphone stand, attach TV and computer monitors etc. Suitable for woodworking, auto body shops projects, mechanical equipment, electronic equipment, drill press, router tables, lathe machine, table saw, workshop machinery, door, lockers, cabinet, the rack bracket, furniture equipment, instrument, apparatus and so on. Also available as a replacement knob for shop wiring jigs and fixtures.